Columbia Encyclopedia
Search results
80 results found
chemurgy
(Encyclopedia)chemurgy kĕmˈərjē [key], branch of applied chemistry concerned with preparing industrial products from agricultural raw materials. Among such products are plastics manufactured from casein and soy...whale oil
(Encyclopedia)whale oil, oil extracted from the blubber and other parts of certain species of whales. It varies in composition, color, and the degree of fishy odor according to the method and extent of refining. Fo...glycerol
(Encyclopedia)glycerol, glycerin, glycerine, or 1,2,3-propanetriol prōˈpāntrīˌŏl [key], CH2OHCHOHCH2OH, colorless, odorless, sweet-tasting, syrupy liquid. Glycerol is a trihydric alcohol. It melts at 17.8...norepinephrine
(Encyclopedia)norepinephrine nôrˌĕpīnĕfˈrən [key], a neurotransmitter in the catecholamine family that mediates chemical communication in the sympathetic nervous system, a branch of the autonomic nervous sys...Donovan, William Joseph
(Encyclopedia)Donovan, William Joseph dŏnˈəvən [key], 1883–1959, U.S. lawyer and government official, b. Buffalo, N.Y., grad. Columbia law school. Distinguished service in World War I won him medals and the n...Rossetti, Gabriele
(Encyclopedia)Rossetti, Gabriele rōsĕtˈē [key], 1783–1854, Italian poet and critic; father of Dante Gabriel Rossetti and of Christina Rossetti. Exiled in 1821, he fled first to Malta, where he stayed for thr...benzine
(Encyclopedia)benzine bĕnˈzēn, bĕnzēnˈ [key], colorless, highly flammable liquid. It is used as a cleaning agent because it is a solvent for organic substances such as fats, oils, and resins and is also used ...olive oil
(Encyclopedia)olive oil, pale yellow to greenish oil obtained from the pulp of olives by separating the liquids from solids. Olive oil was used in the ancient world for lighting, in the preparation of food, and as ...Chevreul, Michel Eugène
(Encyclopedia)Chevreul, Michel Eugène mēshĕlˈ özhĕnˈ shəvrölˈ [key], 1786–1889, French chemist. He studied under L. N. Vauquelin, was director of the Gobelin tapestry works, and from 1830 was professor,...nutrition
(Encyclopedia)nutrition, study of the materials that nourish an organism and of the manner in which the separate components are used for maintenance, repair, growth, and reproduction. Nutrition is achieved in vario...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
